Home / 1,207,318.62-1,665,736.38-723,707.31

Finding the Fourth Proportional to 1,207,318.62, 1,665,736.38 and 723,707.31

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Solution

The fourth proportional to 1,207,318.62, 1,665,736.38 and 723,707.31 is: 998,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,318.62 : 1,665,736.38 = 723,707.31 : x
  2. Step 2: Convert to fraction form
    1,207,318.62/1,665,736.38 = 723,707.31/x
  3. Step 3: Cross multiply
    1,207,318.62x = 1,665,736.38 × 723,707.31
  4. Step 4: Simplify right side
    1,207,318.62x = 1,205,505,594,738.94
  5. Step 5: Solve for x
    x = 1,205,505,594,738.94/1,207,318.62
  6. Step 6: Final answer
    x = 998,498.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.